NASA dishes out $270 million to speed U.S. return to orbit after space shuttle retirement

The space shuttle program has just two launches remaining on the calendar, one April 29 and one in June. After that, no one knows what the next U.S.-based rocket to take astronauts to orbit will look like, when it will launch, or who will have built it

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NASA dishes out $270 million to speed U.S. return to orbit after space shuttle retirement